Lecture

Communication Theory of Secrecy Systems

Related lectures (27)

Introduction to Cryptography: One-Time Pad and Public-Key Systems

Introduces cryptography, focusing on the one-time pad and public-key systems, emphasizing privacy and authenticity in information security.

Perfect Secrecy: One-time Pad

Explores perfect secrecy, the one-time pad encryption method, attacks on encryption systems, and the Vigenère cipher.

Ancient Cryptography: Security and Information Theory

Explores ancient cryptography, key security, perfect secrecy, and the Shannon encryption model.

Ancient Cryptography: Techniques and Principles

Explores ancient to modern cryptography techniques, including substitution ciphers, frequency analysis, and the Enigma machine.

Symmetric Encryption: Basics and Techniques

Introduces symmetric encryption basics, covering encryption, decryption, keys, substitution ciphers, DES, AES, ChaCha20, and asymmetric encryption.

Linear Applications: Rank and Ciphers

Covers linear applications, rank, and ciphers, emphasizing the importance of understanding the rank of linear transformations.

Applied Cryptography: Symmetric Encryption and Hash Functions

Introduces symmetric encryption, hash functions, and their practical applications in cryptography.

Introduction to Cryptography: Basic Concepts

Covers the basic concepts of cryptography, including Caesar's and Vigenère's ciphers, privacy, authenticity, and message integrity.

Cryptography: Fundamentals and Applications

Introduces the fundamentals of cryptography, covering symmetric and asymmetric encryption, hash functions, key infrastructure, and data integrity.

Modern Cryptography Milestones

Explores the evolution of modern cryptography milestones and the limitations of information theory in practical applications.

Symmetric Encryption: Basics and Techniques

Explores symmetric encryption basics, substitution ciphers, historical machines like Enigma, modern standards like AES, and asymmetric encryption.

Discrete Log Problem: Index Calculus

Explores the discrete log problem and index calculus method in cryptography.

Applied Cryptography: Basics

Introduces applied cryptography basics, historical encryption methods, and the concept of perfect secrecy with the One Time Pad.

Semantic Security: Stream Ciphers

Explores semantic security in stream ciphers, emphasizing pseudorandom number generators and computational limitations in cryptography.

Symmetric Encryption Schemes

Explores symmetric encryption schemes, including block and stream ciphers, their vulnerabilities, and the importance of key lengths.

Applied Cryptography: Symmetric Confidentiality

Explores symmetric cryptography for confidentiality, covering stream ciphers, block ciphers, and their modes of operation.

Information Encoding: Compression, Error Correction, Cryptography

Introduces information encoding through compression, error correction, and cryptography, with interactive gameplay on data security and encryption.

Cryptanalysis: The Power of Interaction

Explores the power of interaction in cryptographic primitives and conventional cryptanalysis techniques.

Block Ciphers: Modes and WiFi Security

Explores block ciphers, stream ciphers, and WiFi security vulnerabilities, emphasizing the importance of encryption in modern communication.

Symmetric Encryption: Physical Limits

Explores the physical limits and security aspects of symmetric encryption schemes, including energy consumption, key recovery, and distinguisher security.